NH 2 CN MW N N NH 2 R + R-C(OEt) 3 + AcNH 4 5-7 minA facile and rapid synthesis of the title compounds via one-pot reaction of 2-aminobenzonitrile, orthoesters and ammonium acetate under solvent-free and microwave condition is described.

A mild, simple, and efficient procedure has been developed for the synthesis of bis(indolyl)methanes and 3,3′-(arylmethylene)-bis-(4-hydroxy coumarins) using P4VPy–CuO nanoparticles as a heterogeneous polymeric catalyst.

A facile and rapid synthesis of the title compounds via one-pot reaction of 2-aminobenzonitrile, orthoesters and ammonium acetate under solvent-free and microwave condition is described.

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